ZIP code · Three Oaks · Michigan · United States
ZIP code 49128 — Three Oaks
ZIP code 49128 serves Three Oaks, Michigan.
- Postal code
- 49128Single source Value from one source, not cross-checked.
- City
- Three Oaks
- County
- Berrien FIPS 26021
- State
- Michigan
- Country
- United States
- Coordinates
- 41.8150, -86.6154 — precision precise (locality)
View on OpenStreetMap - Population
- 3,461 (ZCTA, ACS 5-year)
- Population density
- 79 / sq mi
- Land area
- 43.7 sq mi (113.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $73,023
- Per-capita income
- $43,798
- Median age
- 50.2
- Households
- 1,475
- Housing units
- 1,929
- Median home value
- $247,000
- Median gross rent
- $984 / month
- Congressional district
- MI-5 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Detroit (UTC−5 / UTC−4 DST)
- Area code
- 269Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 49128 with another ZIP · ZIPs within 25 miles · distance from 49128
Map of ZIP code 49128
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 35 | 46 | 59 | 70 | 79 | 82 | 80 | 74 | 62 | 48 | 36 |
| Avg low °F | 17 | 20 | 29 | 39 | 50 | 60 | 64 | 63 | 55 | 44 | 33 | 24 |
| Precip in | 3.0 | 2.5 | 2.7 | 3.8 | 4.3 | 4.4 | 4.0 | 4.2 | 3.4 | 4.1 | 3.2 | 2.9 |
NOAA 1991–2020 climate normals from the nearest station: LAPORTE (15.2 mi) · NOAA NCEI
Places in ZIP 49128
- 2 schools
- 2 restaurants & cafés
- 1 bars & pubs
- 6 parks
- 4 playgrounds
- 1 gyms & sports centres
- 1 post offices
- 14 places of worship
- 1 banks
- 1 gas stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page